Subversion Repositories HelenOS-historic

Rev

Rev 878 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
687 jermar 1
/*
2
 * Copyright (C) 2006 Jakub Jermar
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
727 jermar 29
/*
30
 * This is generic interface for managing
31
 * Address Space IDentifiers (ASIDs).
32
 */
33
 
687 jermar 34
#ifndef __ASID_H__
35
#define __ASID_H__
36
 
869 vana 37
#ifndef __ASM__
38
 
727 jermar 39
#include <arch/mm/asid.h>
40
#include <typedefs.h>
41
 
869 vana 42
#endif
43
 
687 jermar 44
#define ASID_KERNEL 0
727 jermar 45
#define ASID_INVALID    1
46
#define ASID_START  2
47
#define ASID_MAX    ASID_MAX_ARCH
687 jermar 48
 
869 vana 49
#ifndef __ASM__
50
 
727 jermar 51
#define ASIDS_ALLOCABLE ((ASID_MAX+1)-ASID_START)
52
 
53
extern spinlock_t asidlock;
869 vana 54
extern link_t as_with_asid_head;
727 jermar 55
 
880 jermar 56
#ifndef asid_get
57
extern asid_t asid_get(void);
58
#endif /* !def asid_get */
59
 
60
#ifndef asid_put
727 jermar 61
extern void asid_put(asid_t asid);
880 jermar 62
#endif /* !def asid_put */
727 jermar 63
 
64
#ifndef asid_install
65
extern void asid_install(as_t *as);
66
#endif /* !def asid_install */
67
 
730 jermar 68
#ifndef asid_find_free
69
extern asid_t asid_find_free(void);
70
#endif /* !def asid_find_free */
727 jermar 71
 
730 jermar 72
#ifndef asid_put_arch
73
extern void asid_put_arch(asid_t asid);
74
#endif /* !def asid_put_arch */
75
 
687 jermar 76
#endif
869 vana 77
 
78
#endif
79